By your logic I'd have to write to Plato for permission to use parts of his work in my last philosophy essay, not to mention Newton, Avagadro, Fermi, Bohr, Laplace, Gauss, Mendel not to mention Joule, Carnot, Watt, Wattson, Crick and a whole host of people who's comments, on and off record I have reproduced in the last few years. By your logic I can't even do this:
As I said before and will continuously do:
"Ask for permissions first before you bring up a cite!!!"
Oh no! Another -1